AISI 904L 超奥氏体不锈钢的显著低温强度和延展性:比较研究

Mohammad Javad Sohrabi, Hamed Mirzadeh, Saeed Sadeghpour, Reza Mahmudi, Alireza Kalhor, Kinga Rodak, Hyoung Seop Kim
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引用次数: 0

摘要

首次研究了 AISI 904L 超奥氏体不锈钢的微观结构演变和低温力学性能,并将其与易变质的 AISI 304L 和 316L 奥氏体不锈钢进行了比较。对这些性能的温度依赖性进行了批判性讨论,并将其与微观结构联系起来,重点关注固溶强化、转变诱导塑性(TRIP)和孪生诱导塑性(TWIP)效应。904L 合金显示出非凡的低温强度-电导率协同作用和优异的加工硬化性能。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Remarkable Cryogenic Strength and Ductility of AISI 904L Superaustenitic Stainless Steel: A Comparative Study

Remarkable Cryogenic Strength and Ductility of AISI 904L Superaustenitic Stainless Steel: A Comparative Study

Microstructural evolutions and cryogenic mechanical properties of AISI 904L superaustenitic stainless steel were studied for the first time and compared with those of metastable AISI 304L and 316L austenitic stainless steels. The temperature-dependencies of these properties were critically discussed and correlated to the microstructures, focusing on the solid solution strengthening, transformation-induced plasticity (TRIP), and twinning-induced plasticity (TWIP) effects. The 904L alloy showed an extraordinary cryogenic strength-ductility synergy with excellent work-hardening behavior.

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